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Type: Posts; User: rorymckeague

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  1. Answers
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    719

    Hypothesis test

    A confectionary company claims that minimum weight of chocolates in each box is 350g. Quality control dept has determined that weights of chocs in each box are normally distributed with mean equal to...
  2. Answers
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    797

    Expected Value

    You decide to play either one of the following games and each game costs $1 to play.

    Game 1: A spinner with 3 numbers on it, 0, 1, 2 is spun so that there is a 30% chance the spinner stops at 0, a...
  3. Once again thank you for your help

    Once again thank you for your help
  4. Question: probability

    by rorymckeague
    Answers
    2
    Views
    768

    Many thanks for your help

    Many thanks for your help
  5. If y= x-1 1/ (x-1), does y have a real between -2 and 2?

    If y = x - 1 + \frac{1}{(x - 1)}

    show that y can't have a real value between -2 and 2?
  6. sorry y = x-1 + 1/(x-1) show that y can't have a...

    sorry y = x-1 + 1/(x-1) show that y can't have a value between -2 and 2
  7. If y = x - 1 1/ (x - 1) show that y can't have real value between 1 and 2?

    If y = x - 1 1/ (x - 1) show that y can't have real value between 1 and 2?
  8. Question: probability

    by rorymckeague
    Answers
    2
    Views
    768

    probability

    The probability of a car being defective is 1/10. In a survey of 150 cars, what is probability that 20 or more cars are defective?
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